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Primer를 함께 사용하는 자가미백 부착대의 임상적 효과
신해은 ( Hae Eun Shin ),임상욱 ( Sang Uk Im ),김은경 ( Eun Kyung Kim ),김종훈 ( Jong Hun Kim ),안재현 ( Jae Hyun Ahn ),최연희 ( Youn Hee Choi ),송근배 ( Keun Bae Song ) 대한예방치과·구강보건학회 2016 大韓口腔保健學會誌 Vol.40 No.1
Objectives: The purpose of this study was to evaluate the efficacy of a 2.9% hydrogen peroxide (HP) whitening strip with a desensitizing agent as a primer. Methods: This study was approved by the Institutional Review Board of Kyungpook National University Hospital. A total of 144 subjects (mean age: 21.7 years) were recruited after they provided informed consent for participation in the study. All participants used the whitening strip and primer for 1.5 h a day for 14 days. ShadeEye-NCC and Vita classical shade guide were used to determine the color changes, with respect to baseline, after 1, 3, 5, 7, and 14 days. A self-administered questionnaire was used to collect data on satisfaction after bleaching and irritating symptoms during the 14 days. All collected data were analyzed with repeated measures ANOVA and one-way ANOVA using SPSS 20.0 for windows. Results: Brightness (ΔL*) was significantly higher in groups 2 and 3 than in the control group after 3 days of the experiment. Chroma (Δb*) started to decrease in groups 2 and 3, compared to control, after 1 day. Perceived symptoms of irritation were significantly lower in groups using the strip combined with the desensitizing primer than in the control group. Satisfaction after bleaching was higher in the experimental groups than in control. Conclusions: The HP whitening strip with a desensitizing agent as a primer is clinically effective in bleaching human enamel after 3 days of use. It also reduces the prevalence of gingival irritation.
제 5기 국민건강영양조사를 이용한 류마티스 관절염과치주질환의 관련성
신해은 ( Hae Eun Shin ),김지혜 ( Ji Hye Kim ),정윤숙 ( Yun Sook Jung ),정은경 ( Eun Kyung Jung ),김은경 ( Eun Kyong Kim ),최연희 ( Youn Hee Choi ),송근배 ( Keun Bae Song ) 대한예방치과·구강보건학회 2014 大韓口腔保健學會誌 Vol.38 No.4
Objectives: Rheumatoid arthritis (RA) has been associated with systemic diseases, such as periodontaldiseases. Periodontal diseases and RA appear to share many pathologic features. The etiology of thetwo diseases may differ, but they share similar pathological characteristics. Therefore, the aim of thisstudy was to evaluate the correlation between RA and periodontal diseases. Methods: Data from the Fifth Korea National Health and Nutrition Examination Survey (KNHNES) wereused to analyze periodontal status according to the presence of RA. Demographics and oral behaviorswere analyzed using the complex chi-square test to compare participants with RA with those withoutRA. Complex logistic regression was used to analyze relationships of periodontal diseases with RA andother covariates. Results: The odds ratio for periodontal diseases was 1.91 (95% confidence interval: 1.05-3.48) in participantswith RA compared with participants without RA. Conclusions: The results of this study provide evidence of a significant association between periodontaldiseases and RA.
제 6기(2013-2014) 국민건강영양조사 자료를 활용한 한국성인의 구강건강과 암의 관련성
신해은 ( Hae-eun Shin ),김현진 ( Hyun-jin Kim ),조민정 ( Min-jeong Cho ),최연희 ( Youn-hee Choi ),송근배 ( Keun-bae Song ) 대한예방치과·구강보건학회 2017 大韓口腔保健學會誌 Vol.41 No.1
Objectives: Dental caries and periodontitis are major oral bacterial infections associated with dental plaque. Infection and inflammation play a role in carcinogenesis, and a significant link has been found between some highly prevalent oral and dental diseases and some types of cancer. Therefore, the aim of this study was to evaluate the relationship between cancer and oral health among Korean adults. Methods: Data from the 6th Korea National Health and Nutrition Examination Survey were used to analyze the incidence of cancer according to oral health. Demographic and socioeconomic statuses and oral behavior of the participants was analyzed using complex chi-square tests. Logistic regression was used to analyze the relationship between a high DMFT index and cancer by calculating the 95% confidence intervals. Results: In total, 6,450 case-control subjects were included. Significant difference was observed in the DMFT index, but not in periodontal diseases, between the cases and controls. The odds ratio for cancer was 1.80 (95% confidence interval: 1.18 to 2.73) in the high-risk group. However, no significant difference was observed after adjusting for age, education level, and income. Conclusions: The results provide potential evidence of a significant association between cancer and oral disease.
구조방정식을 이용한 대도시 일부 노인들의 저작능력 및 구강건강관련 삶의 질과 인지기능
신해은 ( Hae-eun Shin ),장익준 ( Ic-jun Chang ),조민정 ( Min-jeong Cho ),송근배 ( Keun-bae Song ),최연희 ( Youn-hee Choi ) 대한예방치과·구강보건학회 2018 大韓口腔保健學會誌 Vol.42 No.4
Objectives: The aim of this study was to investigate the association between masticatory ability, oral health-related quality of life, and cognitive function in an elderly population using structural equation modeling. Methods: A total of 308 subjects, aged 65 years and over, were recruited from the senior citizen center in Daegu, South Korea and provided consent for inclusion in the study. The Korean version of the Mini- Mental State Examination (K-MMSE) was used to assess the level of cognitive function. Masticatory ability was evaluated through chewing tests, patient-perceived masticatory function and, measurement of relative occlusal forces on molar teeth using the T-Scan III® system. All data were analyzed using χ<sup>2</sup> tests, t-tests, and one-way ANOVA in SPSS version 23.0 for windows. Structural equation modeling was performed using SPSS AMOS version 22.0. Results: There was a significant association between cognitive function and molar teeth occlusal force. Ability of food chewing score and patient-perceived masticatory function could affect oral health-related quality of life (P>0.05). Higher occlusal forces on molar teeth, compared to anterior teeth, positively correlated with higher cognitive function. Conclusions: These results suggest that an individual’s oral health condition could affect molar teeth occlusal forces and may be related to a risk of developing dementia. Therefore, there is a need for implementing nation-wide policies to improve oral health, such as masticatory function, in the elderly population.
일부 대학생의 구강보건교육 경험 실태 및 구강환경관리능력지수 영향요인 조사
신해은 ( Hae-eun Shin ),조민정 ( Min-jeong Cho ),박의정 ( Eui-jung Park ),최연희 ( Youn-hee Choi ),송근배 ( Keun-bae Song ) 대한예방치과·구강보건학회 2019 大韓口腔保健學會誌 Vol.43 No.1
Objectives: The aims of this study were to determine the association between the management of oral health and experiences of oral health education and to investigate the influential factors of the Patient Hygiene Performance (PHP) index in an area’s university students. In addition, we explored the factors that influence the PHP index and how to effectively promote oral health. Methods: All collected data were analyzed using the χ<sup>2</sup> test, the t-test, and multiple regression using SPSS version 23.0 for Microsoft Windows. The statistical significance level was set at 5%. Results: The total age of 380 participants ranged from 18 to 39 years (mean 22.22±2.43). No significant differences were found in oral health status and experiences of oral health education. Conclusions: Active national-based policies to develop regular and systematic national oral health education programs are needed.
T-scan III<sup>®</sup> system을 이용한 일부지역 노인의 교합양상과 인지기능의 관련성
신해은 ( Hae-eun Shin ),조민정 ( Min-jeong Cho ),최연희 ( Youn-hee Choi ),송근배 ( Keun-bae Song ) 대한예방치과·구강보건학회 2017 大韓口腔保健學會誌 Vol.41 No.2
Objectives: The aim of this study was to investigate the relationship between cognitive function and oc-clusal status in elderly individuals. Methods: A total of 162 individuals aged 65 years and older, who attended the senior citizen center in Daegu city, were included after consent for participation in the study was obtained. The Korean version of the Mini-Mental State Examination (MMSE-K) was used to evaluate the level of cognitive function. Oc-clusal status was determined using the T-scan III<sup>®</sup> system. All collected data were analyzed by χ<sup>2</sup> test, t-test, one way ANOVA, and linear regression analysis using SPSS version 23.0 for Windows. Results: There was a significant relationship between the cognitive function and the use of dentures. Individuals with posterior occlusal status had higher MMSE-K scores than those with anterior occlusal status. There was a positive correlation between the cognitive function and posterior occlusal force. Conclusions: These results suggest that occlusal status was associated with cognitive function in the elderly individuals. Active national policies to improve occlusal condition in the elderly population are needed.
탄산수가 레진계 치면열구전색제의 화학적 열화에 미치는 영향
김현진(Hyun-Jin Kim),신해은(Hae-Eun Shin),민희홍(Hee-Hong Min) 대한치과재료학회 2017 대한치과재료학회지 Vol.44 No.3
The critical oral environment conditions (i.e. pH changes and humidity) may increase resin-based materials degradation over time. The purpose of this study was to determine the influence of carbonated waters (acidic beverages) on the degradation of resin based fit and fissure sealant materials. Conventional dental sealant material (Charmseal) was selected for this study. Disc-shaped resin specimens (8 mm in diameter and 1 mm in thickness) were prepared according to manufacturers’ instructions. Resin specimens were measured the initial roughness (Ra). And then, the specimens were individually immersed in 5 mL of the storage solutions (Distilled water, Trevi, Perrier, Chojung and Coca-Cola) and stored at 37°C. After 72 hours of storage, the specimens surface roughness readings were done. The concentration of residual monomer released was determined by high performance liquid chromatography (HPLC). The resin specimen surface morphology was evaluated by scanning electron microscopy (SEM). Statistical analysis was performed by Kruskal-Wallis and Duncan test. In the present study, we observed that the increased the surface roughness of resin specimens after immersed in carbonated waters (p<0.05). Surface morphological changes were observed in a situation of acid challenge. In addition, acidic conditions lead to a higher monomer release from resin-based materials. Therefore, we concluded that under acidic conditions, the resin-based sealant materials were more susceptible to degradation.
노인의 기능 치아 수와 구강건강평가(GOHAI)와의 관련성
조민정 ( Min Jeong Cho ),정은경 ( Eun Kyung Jung ),신해은 ( Hae Eun Shin ),신아라 ( Ah Ra Shin ),조화영 ( Hwa Young Jo ),최연희 ( Youn Hee Choi ),송근배 ( Keun Bae Song ) 한국치위생학회 2016 한국치위생학회지 Vol.16 No.3
Objectives: The purpose of the study was to investigate the association between remaining functional teeth and oral health-related quality of life using Geriatric Oral Health Assessment Index(GOHAI) in the elderly. Methods: A self-reported questionnaire was completed by 237 female elderly in Daegu from May to September, 2015. The questionnaire consisted of general characteristics of the subjects and Geriatric Oral Health Assessment Index(GOHAI). A total of 216 female elderly data were analyzed for oral health status and their GOHAI score. Data were analyzed using SPSS 23.0 version. Logistic regression analysis showed the association of functional teeth and GOHAI score. Results: Number of functional teeth can affect oral health related quality of life in the elderly. When functional teeth is small, the odds ratio(OR) was 2.119(95% CI: 1.215-3.696). After adjusting age, residence type and education, OR was 1.900(95% CI: 1.060-3.399). Policies to preserve natural tooth should be recommended for increasing quality of life in general. Conclusions: This study showed significant association between number of functional teeth and the GOHAI score of the elderly women.
기능 치아의 수가 잠재적으로 인지 기능에 영향을 줄 수 있을까?
조민정 ( Min-jeong Cho ),김지영 ( Ji-young Kim ),정윤숙 ( Yun-sook Jung ),신해은 ( Hae-eun Shin ),윤하영 ( Ha-young Youn ),박태준 ( Tae Jun Park ),최연희 ( Youn-hee Choi ),송근배 ( Keun-bae Song ) 대한예방치과·구강보건학회 2018 大韓口腔保健學會誌 Vol.42 No.2
Objectives: With the growing elderly population, there is an increasing interest in the oral and general health of elderly individuals. Loss of teeth is representative of oral disease in elderly individuals and is associated with medical and dental problems. The purpose of this study was to investigate the relationship between the number of remaining functional teeth and cognitive function. Methods: A total of 456 (111 public health centers, 261 senior centers, 84 sanatoriums) older adults (aged ≥65 years) residing in Korea were included. A mental health nurse examined the cognitive function using the Korean version of the Mini-Mental State Examination. A dentist examined the number of functional teeth and denture status through an oral examination, while a dental hygienist surveyed the subjective masticatory level using a questionnaire. Results: The mean age of the participants was 79.5 years (range 65-97 years), and 76.1% of them were women. Participants with a small number of functional teeth had lower cognitive function. In these participants, the odds ratio with poor cognitive function was 2.30 times higher; it was 2.74 times higher after adjusting for age, sex, residence, education, and denture use, and was statistically significant. Conclusions: Our study suggested that the number of functional teeth was associated with cognitive function in the Korean elderly population.